Home / 1,345,312.98-1,856,576.63-801,374.49

Finding the Fourth Proportional to 1,345,312.98, 1,856,576.63 and 801,374.49

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Solution

The fourth proportional to 1,345,312.98, 1,856,576.63 and 801,374.49 is: 1,105,923.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,312.98 : 1,856,576.63 = 801,374.49 : x
  2. Step 2: Convert to fraction form
    1,345,312.98/1,856,576.63 = 801,374.49/x
  3. Step 3: Cross multiply
    1,345,312.98x = 1,856,576.63 × 801,374.49
  4. Step 4: Simplify right side
    1,345,312.98x = 1,487,813,152,015.61
  5. Step 5: Solve for x
    x = 1,487,813,152,015.61/1,345,312.98
  6. Step 6: Final answer
    x = 1,105,923.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.